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參數(shù)資料
| 型號： | 74F181SPC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | COIL PWR CHOKE 3.3UH 980MA SMD |
| 中文描述： | F/FAST SERIES, 4-BIT ARITHMETIC LOGIC UNIT, PDIP24 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-24 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 82K |
| 代理商： | 74F181SPC |
Philips Semiconductors FAST Products
Product specification
74F181
Arithmetic logic unit
1
March 3, 1989
853–0351 95947
FEATURES
Provides 16 arithmetic operation: add, subtract, compare, and
double; plus 12 other arithmetic operations
Provides all 16 logic operations of two variables: Exclusive-OR,
Compare, AND, NAND, NOR, OR, plus 10 other logic operations
Full look-ahead carry for high speed arithmetic operation on long
words
40% faster than ’S181 with only 30% ’S181 power consumption
Available in 300mil-wide Slim 24-pin Dual In-Line package
DESCRIPTION
The 74F181 is a 4-bit high-speed parallel Arithmetic Logic Unit
(ALU). Controlled by the four Function Select inputs (S0–S3) and
the Mode Control input (M), it can perform all the 16 possible logic
operations or 16 different arithmetic operations on active-High or
active-Low operands. The Function Table lists these operations.
PIN CONFIGURATION
SF00193
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
B0
A0
S3
S2
S1
S0
Cn
M
F0
F1
F2
V
CC
A1
B1
A2
B2
A3
B3
C
n+4
G
P
A=B
F3
GND
TYPE
TYPICAL PROPAGATION DELAY
TYPICAL
SUPPLY CURRENT
(TOTAL)
74F181
7.0ns
43mA
ORDERING INFORMATION
DESCRIPTION
COMMERCIAL RANGE
V
CC
= 5V
±
10%, T
amb
= 0
°
C to +70
°
C
24-Pin Plastic Slim DIP (300 mil)
N74F181N
24-Pin Plastic SOL
N74F181D
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F (U.L.) HIGH/LOW
LOAD VALUE HIGH/LOW
A0–A3
A operand inputs
1.0/3.0
20
μ
A/1.8mA
20
μ
A/1.8mA
20
μ
A/0.6mA
20
μ
A/2.4mA
20
μ
A/3.0mA
B0–B3
B operand inputs
1.0/3.0
M
Mode control input
1.0/1.0
S0–S3
Function select input
1.0/4.0
Cn
Carry input
1.0/5.0
C
n+4
P
Carry output
50/33
1.0mA/20mA
Carry Propagate output
50/33
1.0mA/20mA
G
Carry Generate output
50/33
1.0mA/20mA
A=B
Compare output
OC/33
OC/20mA
F0–F3
One (1.0) FAST unit load is defined as: 20
μ
A in the High state and 0.6mA in the Low state.
OC = Open Collector
Outputs
50/33
1.0mA/20mA
NOTE:
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F181PC | 4-Bit Arithmetic Logic Unit |
| 74F181SC | 4-Bit Arithmetic Logic Unit |
| 74F181SPC | 4-Bit Arithmetic Logic Unit |
| 74F181 | 4-Bit Arithmetic Logic Unit |
| 74F182DC | Look-Ahead Carry Generator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F182 | 制造商:Texas Instruments 功能描述: |
| 74F182 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: 制造商:Rochester Electronics LLC 功能描述: |
| 74F182DC | 制造商:Freescale Semiconductor 功能描述:LOOK-AHEAD CARRY GENERATOR, 16 Pin, Ceramic, DIP |
| 74F182LC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74F182PC | 功能描述:算數(shù)邏輯單元 - ALU Carry Lookahead Gen RoHS:否 制造商:ON Semiconductor 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:18 V 電源電壓-最小:3 V 封裝 / 箱體:SOIC-16 Wide 最大工作溫度:+ 125 C 封裝:Reel |
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